An evacuee holds a rice ball distributed at a shelter in Kawamata town, Fukushima Prefecture, Monday, March 14, 2011, three days after northeastern coastal towns were devastated by an earthquake and tsunami.

A family takes a rest with their pet dog at a shelter in Minamisanriku, Miyagi Prefecture, northern Japan, Monday, March 14, 2011, three days after a powerful earthquake-triggered tsunami hit the country's east coast.

Elderly people who evacuated from a town near the Fukushima Dai-ichi nuclear plant read newspapers at a shelter in Iwaki, Fukushima Prefecture, Monday, March 14, 2011. The second hydrogen explosion in three days rocked the Japanese nuclear plant Monday, devastating the structure housing one reactor and injuring 11 workers.

An evacuee covers her face at a shelter in a temple Monday, March 14, 2011, in Higashimatsushima, Miyagi Prefecture, northern Japan, Monday, March 14, 2011, three days after northeastern coastal towns were devastated by an earthquake and tsunami.

An 83-year-old man injured while escaping from tsunami flooding rests at a shelter, Monday, March 14, 2011, in Kesennuma, Miyagi Prefecture, northern Japan, three days after northeastern coastal towns were devastated by an earthquake and tsunami.

Urban search and rescue workers Sam Gray, left, and Mike Davis, from a team based in Fairfax County, Va., check supplies in a gymnasium set up as their base at the Setamai school in Sumita, northern Japan, Monday, March 14, 2011. Two search and rescue teams from the U.S. and a team from the U.K. with combined numbers of around 225 personnel have arrived in northern Japan to help in the aftermath of the earthquake and tsunami.

Residents look at their devastated area from a hilltop in Kesennuma, Miyagi Prefecture, northern Japan, Monday, March 14, 2011, three days after a massive earthquake and the ensuing tsunami hit Japan's east coast.

A man consoles a woman after learning her house was destroyed in Noda village, northern Japan, Monday, March 14, 2011, three days after a powerful earthquake-triggered tsunami hit the country's east coast.

Local people search their destroyed houses in Rikuzentakata, Iwate Prefecture, northern Japan, Monday, March 14, 2011, three days after northeastern coastal towns were devastated by an earthquake and tsunami.

People move to higher ground after a tsunami warning was issued in Higashimatsuyshima, Miyagi Prefecture, northern Japan, Monday, March 14, 2011, three days after northeastern coastal towns were devastated by an earthquake and tsunami.

A woman checks messages on the wall at Natori City Hall in Natori, Miyagi Prefecture, Japan, on March 14, 2011. A new explosion at a nuclear plant in nearby Fukushima prefecture hit Japan on March 14 as it raced to avert a reactor meltdown after a quake-tsunami disaster.

A woman calls out the names of her family in the city of Soma in Miyagi prefecture, Japan, on March 14, 2011, as rescue operations continue three days after the massive earthquake and tsunami hit the region.

A woman with her pet dog and belongings pauses on the way from a devastated area in Higashimatsushima, Miyagi Prefecture, northern Japan, Monday, March 14, 2011, three days after a powerful earthquake-triggered tsunami hit the country's east coast.

Evacuees rest in a shelter in Soma city, Fukushima prefecture, Japan, Monday, March 14, 2011, three days after a massive earthquake and tsunami struck the country's north east coast. On top of the losses of family and friends along with property, evacuees in the area are now faced with the fears of radiation contamination from damaged nuclear facilities near by.

Passengers line up to catch a train during suspension of train services at Yokohama station in Yokohama, near Tokyo, Monday, March 14, 2011. Tokyo Electric Power says it will ration electricity with rolling blackouts in parts of Tokyo and other Japanese other cities. They are meant to help make up for a severe shortfall after key nuclear plants were left inoperable due to the earthquake and tsunami in northeastern Japan.